Home / 18,042,385.08-27,086,672.52-15,499,866.36

Finding the Fourth Proportional to 18,042,385.08, 27,086,672.52 and 15,499,866.36

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Solution

The fourth proportional to 18,042,385.08, 27,086,672.52 and 15,499,866.36 is: 23,269,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,385.08 : 27,086,672.52 = 15,499,866.36 : x
  2. Step 2: Convert to fraction form
    18,042,385.08/27,086,672.52 = 15,499,866.36/x
  3. Step 3: Cross multiply
    18,042,385.08x = 27,086,672.52 × 15,499,866.36
  4. Step 4: Simplify right side
    18,042,385.08x = 419,839,804,197,084.38
  5. Step 5: Solve for x
    x = 419,839,804,197,084.38/18,042,385.08
  6. Step 6: Final answer
    x = 23,269,639.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.